Rachid Guerraoui Thomas A. Henzinger Vasu Singh Completeness and Nondeterminism in Model Checking Transactional Memories. 21-35 2008 CONCUR http://dx.doi.org/10.1007/978-3-540-85361-9_6 conf/concur/2008 db/conf/concur/concur2008.html#GuerraouiHS08